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[Emacs-diffs] emacs-26 2e1b352: Improve documentation of 'line-number-di
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] emacs-26 2e1b352: Improve documentation of 'line-number-display-width' |
Date: |
Tue, 17 Oct 2017 12:18:19 -0400 (EDT) |
branch: emacs-26
commit 2e1b3522b8562f94a98fed07aeddb6b5ba0dbc6c
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Improve documentation of 'line-number-display-width'
* doc/lispref/display.texi (Size of Displayed Text): Document the
additional 2 columns used for line-number display.
* src/indent.c (Fline_number_display_width): Doc fix. (Bug#28248)
---
doc/lispref/display.texi | 5 +++--
src/indent.c | 3 ++-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index afd09cf..fbdd810 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -2053,8 +2053,9 @@ This function returns the width used for displaying the
line numbers
in the selected window. Optional argument @var{pixelwise}, if
address@hidden, means return the value in pixels; otherwise the value
is returned in column units of the font defined for the
address@hidden face. If line numbers are not displayed in the
-selected window, the value is zero. Use @code{with-selected-window}
address@hidden face, and doesn't include the 2 columns used to pad
+the numbers. If line numbers are not displayed in the selected
+window, the value is zero. Use @code{with-selected-window}
(@pxref{Selecting Windows}) if you need this information about another
window.
@end defun
diff --git a/src/indent.c b/src/indent.c
index be86766..a3e9b5b 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -1993,7 +1993,8 @@ DEFUN ("line-number-display-width",
Fline_number_display_width,
doc: /* Return the width used for displaying line numbers in the
selected window.
If optional argument PIXELWISE is non-nil, return the width in pixels,
otherwise return the width in columns of the face used to display
-line numbers, `line-number'. */)
+line numbers, `line-number'. Note that in the latter case, the value
+doesn't include the 2 columns used for padding the numbers. */)
(Lisp_Object pixelwise)
{
int width, pixel_width;
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